| /* |
| * Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #include "precompiled.hpp" |
| #include "classfile/classLoaderStats.hpp" |
| #include "classfile/compactHashtable.hpp" |
| #include "compiler/compileBroker.hpp" |
| #include "compiler/directivesParser.hpp" |
| #include "gc/shared/vmGCOperations.hpp" |
| #include "memory/resourceArea.hpp" |
| #include "oops/oop.inline.hpp" |
| #include "runtime/globals.hpp" |
| #include "runtime/javaCalls.hpp" |
| #include "runtime/os.hpp" |
| #include "services/diagnosticArgument.hpp" |
| #include "services/diagnosticCommand.hpp" |
| #include "services/diagnosticFramework.hpp" |
| #include "services/heapDumper.hpp" |
| #include "services/management.hpp" |
| #include "services/writeableFlags.hpp" |
| #include "utilities/macros.hpp" |
| #include "oops/objArrayOop.inline.hpp" |
| |
| void DCmdRegistrant::register_dcmds(){ |
| // Registration of the diagnostic commands |
| // First argument specifies which interfaces will export the command |
| // Second argument specifies if the command is enabled |
| // Third argument specifies if the command is hidden |
| uint32_t full_export = DCmd_Source_Internal | DCmd_Source_AttachAPI |
| | DCmd_Source_MBean; |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HelpDCmd>(full_export, true, false)); |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VersionDCmd>(full_export, true, false)); |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CommandLineDCmd>(full_export, true, false)); |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintSystemPropertiesDCmd>(full_export, true, false)); |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintVMFlagsDCmd>(full_export, true, false)); |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SetVMFlagDCmd>(full_export, true, false)); |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMDynamicLibrariesDCmd>(full_export, true, false)); |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMUptimeDCmd>(full_export, true, false)); |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMInfoDCmd>(full_export, true, false)); |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SystemGCDCmd>(full_export, true, false)); |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<RunFinalizationDCmd>(full_export, true, false)); |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HeapInfoDCmd>(full_export, true, false)); |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<FinalizerInfoDCmd>(full_export, true, false)); |
| #if INCLUDE_SERVICES |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HeapDumpDCmd>(DCmd_Source_Internal | DCmd_Source_AttachAPI, true, false)); |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassHistogramDCmd>(full_export, true, false)); |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassStatsDCmd>(full_export, true, false)); |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassHierarchyDCmd>(full_export, true, false)); |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SymboltableDCmd>(full_export, true, false)); |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<StringtableDCmd>(full_export, true, false)); |
| #if INCLUDE_JVMTI // Both JVMTI and SERVICES have to be enabled to have this dcmd |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JVMTIAgentLoadDCmd>(full_export, true, false)); |
| #endif // INCLUDE_JVMTI |
| #endif // INCLUDE_SERVICES |
| #if INCLUDE_JVMTI |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JVMTIDataDumpDCmd>(full_export, true, false)); |
| #endif // INCLUDE_JVMTI |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ThreadDumpDCmd>(full_export, true, false)); |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassLoaderStatsDCmd>(full_export, true, false)); |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CompileQueueDCmd>(full_export, true, false)); |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CodeListDCmd>(full_export, true, false)); |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CodeCacheDCmd>(full_export, true, false)); |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<TouchedMethodsDCmd>(full_export, true, false)); |
| |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CompilerDirectivesPrintDCmd>(full_export, true, false)); |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CompilerDirectivesAddDCmd>(full_export, true, false)); |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CompilerDirectivesRemoveDCmd>(full_export, true, false)); |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CompilerDirectivesClearDCmd>(full_export, true, false)); |
| |
| // Enhanced JMX Agent Support |
| // These commands won't be exported via the DiagnosticCommandMBean until an |
| // appropriate permission is created for them |
| uint32_t jmx_agent_export_flags = DCmd_Source_Internal | DCmd_Source_AttachAPI; |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartRemoteDCmd>(jmx_agent_export_flags, true,false)); |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartLocalDCmd>(jmx_agent_export_flags, true,false)); |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStopRemoteDCmd>(jmx_agent_export_flags, true,false)); |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStatusDCmd>(jmx_agent_export_flags, true,false)); |
| |
| } |
| |
| #ifndef HAVE_EXTRA_DCMD |
| void DCmdRegistrant::register_dcmds_ext(){ |
| // Do nothing here |
| } |
| #endif |
| |
| |
| HelpDCmd::HelpDCmd(outputStream* output, bool heap) : DCmdWithParser(output, heap), |
| _all("-all", "Show help for all commands", "BOOLEAN", false, "false"), |
| _cmd("command name", "The name of the command for which we want help", |
| "STRING", false) { |
| _dcmdparser.add_dcmd_option(&_all); |
| _dcmdparser.add_dcmd_argument(&_cmd); |
| }; |
| |
| void HelpDCmd::execute(DCmdSource source, TRAPS) { |
| if (_all.value()) { |
| GrowableArray<const char*>* cmd_list = DCmdFactory::DCmd_list(source); |
| for (int i = 0; i < cmd_list->length(); i++) { |
| DCmdFactory* factory = DCmdFactory::factory(source, cmd_list->at(i), |
| strlen(cmd_list->at(i))); |
| output()->print_cr("%s%s", factory->name(), |
| factory->is_enabled() ? "" : " [disabled]"); |
| output()->print_cr("\t%s", factory->description()); |
| output()->cr(); |
| factory = factory->next(); |
| } |
| } else if (_cmd.has_value()) { |
| DCmd* cmd = NULL; |
| DCmdFactory* factory = DCmdFactory::factory(source, _cmd.value(), |
| strlen(_cmd.value())); |
| if (factory != NULL) { |
| output()->print_cr("%s%s", factory->name(), |
| factory->is_enabled() ? "" : " [disabled]"); |
| output()->print_cr("%s", factory->description()); |
| output()->print_cr("\nImpact: %s", factory->impact()); |
| JavaPermission p = factory->permission(); |
| if(p._class != NULL) { |
| if(p._action != NULL) { |
| output()->print_cr("\nPermission: %s(%s, %s)", |
| p._class, p._name == NULL ? "null" : p._name, p._action); |
| } else { |
| output()->print_cr("\nPermission: %s(%s)", |
| p._class, p._name == NULL ? "null" : p._name); |
| } |
| } |
| output()->cr(); |
| cmd = factory->create_resource_instance(output()); |
| if (cmd != NULL) { |
| DCmdMark mark(cmd); |
| cmd->print_help(factory->name()); |
| } |
| } else { |
| output()->print_cr("Help unavailable : '%s' : No such command", _cmd.value()); |
| } |
| } else { |
| output()->print_cr("The following commands are available:"); |
| GrowableArray<const char *>* cmd_list = DCmdFactory::DCmd_list(source); |
| for (int i = 0; i < cmd_list->length(); i++) { |
| DCmdFactory* factory = DCmdFactory::factory(source, cmd_list->at(i), |
| strlen(cmd_list->at(i))); |
| output()->print_cr("%s%s", factory->name(), |
| factory->is_enabled() ? "" : " [disabled]"); |
| factory = factory->_next; |
| } |
| output()->print_cr("\nFor more information about a specific command use 'help <command>'."); |
| } |
| } |
| |
| int HelpDCmd::num_arguments() { |
| ResourceMark rm; |
| HelpDCmd* dcmd = new HelpDCmd(NULL, false); |
| if (dcmd != NULL) { |
| DCmdMark mark(dcmd); |
| return dcmd->_dcmdparser.num_arguments(); |
| } else { |
| return 0; |
| } |
| } |
| |
| void VersionDCmd::execute(DCmdSource source, TRAPS) { |
| output()->print_cr("%s version %s", Abstract_VM_Version::vm_name(), |
| Abstract_VM_Version::vm_release()); |
| JDK_Version jdk_version = JDK_Version::current(); |
| if (jdk_version.patch_version() > 0) { |
| output()->print_cr("JDK %d.%d.%d.%d", jdk_version.major_version(), |
| jdk_version.minor_version(), jdk_version.security_version(), |
| jdk_version.patch_version()); |
| } else { |
| output()->print_cr("JDK %d.%d.%d", jdk_version.major_version(), |
| jdk_version.minor_version(), jdk_version.security_version()); |
| } |
| } |
| |
| PrintVMFlagsDCmd::PrintVMFlagsDCmd(outputStream* output, bool heap) : |
| DCmdWithParser(output, heap), |
| _all("-all", "Print all flags supported by the VM", "BOOLEAN", false, "false") { |
| _dcmdparser.add_dcmd_option(&_all); |
| } |
| |
| void PrintVMFlagsDCmd::execute(DCmdSource source, TRAPS) { |
| if (_all.value()) { |
| CommandLineFlags::printFlags(output(), true); |
| } else { |
| CommandLineFlags::printSetFlags(output()); |
| } |
| } |
| |
| int PrintVMFlagsDCmd::num_arguments() { |
| ResourceMark rm; |
| PrintVMFlagsDCmd* dcmd = new PrintVMFlagsDCmd(NULL, false); |
| if (dcmd != NULL) { |
| DCmdMark mark(dcmd); |
| return dcmd->_dcmdparser.num_arguments(); |
| } else { |
| return 0; |
| } |
| } |
| |
| SetVMFlagDCmd::SetVMFlagDCmd(outputStream* output, bool heap) : |
| DCmdWithParser(output, heap), |
| _flag("flag name", "The name of the flag we want to set", |
| "STRING", true), |
| _value("string value", "The value we want to set", "STRING", false) { |
| _dcmdparser.add_dcmd_argument(&_flag); |
| _dcmdparser.add_dcmd_argument(&_value); |
| } |
| |
| void SetVMFlagDCmd::execute(DCmdSource source, TRAPS) { |
| const char* val = NULL; |
| if (_value.value() != NULL) { |
| val = _value.value(); |
| } |
| |
| FormatBuffer<80> err_msg("%s", ""); |
| int ret = WriteableFlags::set_flag(_flag.value(), val, Flag::MANAGEMENT, err_msg); |
| |
| if (ret != Flag::SUCCESS) { |
| output()->print_cr("%s", err_msg.buffer()); |
| } |
| } |
| |
| int SetVMFlagDCmd::num_arguments() { |
| ResourceMark rm; |
| SetVMFlagDCmd* dcmd = new SetVMFlagDCmd(NULL, false); |
| if (dcmd != NULL) { |
| DCmdMark mark(dcmd); |
| return dcmd->_dcmdparser.num_arguments(); |
| } else { |
| return 0; |
| } |
| } |
| |
| void JVMTIDataDumpDCmd::execute(DCmdSource source, TRAPS) { |
| if (JvmtiExport::should_post_data_dump()) { |
| JvmtiExport::post_data_dump(); |
| } |
| } |
| |
| #if INCLUDE_SERVICES |
| JVMTIAgentLoadDCmd::JVMTIAgentLoadDCmd(outputStream* output, bool heap) : |
| DCmdWithParser(output, heap), |
| _libpath("library path", "Absolute path of the JVMTI agent to load.", |
| "STRING", true), |
| _option("agent option", "Option string to pass the agent.", "STRING", false) { |
| _dcmdparser.add_dcmd_argument(&_libpath); |
| _dcmdparser.add_dcmd_argument(&_option); |
| } |
| |
| void JVMTIAgentLoadDCmd::execute(DCmdSource source, TRAPS) { |
| |
| if (_libpath.value() == NULL) { |
| output()->print_cr("JVMTI.agent_load dcmd needs library path."); |
| return; |
| } |
| |
| char *suffix = strrchr(_libpath.value(), '.'); |
| bool is_java_agent = (suffix != NULL) && (strncmp(".jar", suffix, 4) == 0); |
| |
| if (is_java_agent) { |
| if (_option.value() == NULL) { |
| JvmtiExport::load_agent_library("instrument", "false", |
| _libpath.value(), output()); |
| } else { |
| size_t opt_len = strlen(_libpath.value()) + strlen(_option.value()) + 2; |
| if (opt_len > 4096) { |
| output()->print_cr("JVMTI agent attach failed: Options is too long."); |
| return; |
| } |
| |
| char *opt = (char *)os::malloc(opt_len, mtInternal); |
| if (opt == NULL) { |
| output()->print_cr("JVMTI agent attach failed: " |
| "Could not allocate %zu bytes for argument.", |
| opt_len); |
| return; |
| } |
| |
| jio_snprintf(opt, opt_len, "%s=%s", _libpath.value(), _option.value()); |
| JvmtiExport::load_agent_library("instrument", "false", opt, output()); |
| |
| os::free(opt); |
| } |
| } else { |
| JvmtiExport::load_agent_library(_libpath.value(), "true", |
| _option.value(), output()); |
| } |
| } |
| |
| int JVMTIAgentLoadDCmd::num_arguments() { |
| ResourceMark rm; |
| JVMTIAgentLoadDCmd* dcmd = new JVMTIAgentLoadDCmd(NULL, false); |
| if (dcmd != NULL) { |
| DCmdMark mark(dcmd); |
| return dcmd->_dcmdparser.num_arguments(); |
| } else { |
| return 0; |
| } |
| } |
| #endif // INCLUDE_SERVICES |
| |
| void PrintSystemPropertiesDCmd::execute(DCmdSource source, TRAPS) { |
| // load VMSupport |
| Symbol* klass = vmSymbols::jdk_internal_vm_VMSupport(); |
| Klass* k = SystemDictionary::resolve_or_fail(klass, true, CHECK); |
| instanceKlassHandle ik (THREAD, k); |
| if (ik->should_be_initialized()) { |
| ik->initialize(THREAD); |
| } |
| if (HAS_PENDING_EXCEPTION) { |
| java_lang_Throwable::print(PENDING_EXCEPTION, output()); |
| output()->cr(); |
| CLEAR_PENDING_EXCEPTION; |
| return; |
| } |
| |
| // invoke the serializePropertiesToByteArray method |
| JavaValue result(T_OBJECT); |
| JavaCallArguments args; |
| |
| Symbol* signature = vmSymbols::serializePropertiesToByteArray_signature(); |
| JavaCalls::call_static(&result, |
| ik, |
| vmSymbols::serializePropertiesToByteArray_name(), |
| signature, |
| &args, |
| THREAD); |
| if (HAS_PENDING_EXCEPTION) { |
| java_lang_Throwable::print(PENDING_EXCEPTION, output()); |
| output()->cr(); |
| CLEAR_PENDING_EXCEPTION; |
| return; |
| } |
| |
| // The result should be a [B |
| oop res = (oop)result.get_jobject(); |
| assert(res->is_typeArray(), "just checking"); |
| assert(TypeArrayKlass::cast(res->klass())->element_type() == T_BYTE, "just checking"); |
| |
| // copy the bytes to the output stream |
| typeArrayOop ba = typeArrayOop(res); |
| jbyte* addr = typeArrayOop(res)->byte_at_addr(0); |
| output()->print_raw((const char*)addr, ba->length()); |
| } |
| |
| VMUptimeDCmd::VMUptimeDCmd(outputStream* output, bool heap) : |
| DCmdWithParser(output, heap), |
| _date("-date", "Add a prefix with current date", "BOOLEAN", false, "false") { |
| _dcmdparser.add_dcmd_option(&_date); |
| } |
| |
| void VMUptimeDCmd::execute(DCmdSource source, TRAPS) { |
| if (_date.value()) { |
| output()->date_stamp(true, "", ": "); |
| } |
| output()->time_stamp().update_to(tty->time_stamp().ticks()); |
| output()->stamp(); |
| output()->print_cr(" s"); |
| } |
| |
| int VMUptimeDCmd::num_arguments() { |
| ResourceMark rm; |
| VMUptimeDCmd* dcmd = new VMUptimeDCmd(NULL, false); |
| if (dcmd != NULL) { |
| DCmdMark mark(dcmd); |
| return dcmd->_dcmdparser.num_arguments(); |
| } else { |
| return 0; |
| } |
| } |
| |
| void VMInfoDCmd::execute(DCmdSource source, TRAPS) { |
| VMError::print_vm_info(_output); |
| } |
| |
| void SystemGCDCmd::execute(DCmdSource source, TRAPS) { |
| if (!DisableExplicitGC) { |
| Universe::heap()->collect(GCCause::_dcmd_gc_run); |
| } else { |
| output()->print_cr("Explicit GC is disabled, no GC has been performed."); |
| } |
| } |
| |
| void RunFinalizationDCmd::execute(DCmdSource source, TRAPS) { |
| Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::java_lang_System(), |
| true, CHECK); |
| instanceKlassHandle klass(THREAD, k); |
| JavaValue result(T_VOID); |
| JavaCalls::call_static(&result, klass, |
| vmSymbols::run_finalization_name(), |
| vmSymbols::void_method_signature(), CHECK); |
| } |
| |
| void HeapInfoDCmd::execute(DCmdSource source, TRAPS) { |
| Universe::heap()->print_on(output()); |
| } |
| |
| void FinalizerInfoDCmd::execute(DCmdSource source, TRAPS) { |
| ResourceMark rm; |
| |
| |
| Klass* k = SystemDictionary::resolve_or_null( |
| vmSymbols::finalizer_histogram_klass(), THREAD); |
| assert(k != NULL, "FinalizerHistogram class is not accessible"); |
| |
| instanceKlassHandle klass(THREAD, k); |
| JavaValue result(T_ARRAY); |
| |
| // We are calling lang.ref.FinalizerHistogram.getFinalizerHistogram() method |
| // and expect it to return array of FinalizerHistogramEntry as Object[] |
| |
| JavaCalls::call_static(&result, klass, |
| vmSymbols::get_finalizer_histogram_name(), |
| vmSymbols::void_finalizer_histogram_entry_array_signature(), CHECK); |
| |
| objArrayOop result_oop = (objArrayOop) result.get_jobject(); |
| if (result_oop->length() == 0) { |
| output()->print_cr("No instances waiting for finalization found"); |
| return; |
| } |
| |
| oop foop = result_oop->obj_at(0); |
| InstanceKlass* ik = InstanceKlass::cast(foop->klass()); |
| |
| fieldDescriptor count_fd, name_fd; |
| |
| Klass* count_res = ik->find_field( |
| vmSymbols::finalizer_histogram_entry_count_field(), vmSymbols::int_signature(), &count_fd); |
| |
| Klass* name_res = ik->find_field( |
| vmSymbols::finalizer_histogram_entry_name_field(), vmSymbols::string_signature(), &name_fd); |
| |
| assert(count_res != NULL && name_res != NULL, "Unexpected layout of FinalizerHistogramEntry"); |
| |
| output()->print_cr("Unreachable instances waiting for finalization"); |
| output()->print_cr("#instances class name"); |
| output()->print_cr("-----------------------"); |
| |
| for (int i = 0; i < result_oop->length(); ++i) { |
| oop element_oop = result_oop->obj_at(i); |
| oop str_oop = element_oop->obj_field(name_fd.offset()); |
| char *name = java_lang_String::as_utf8_string(str_oop); |
| int count = element_oop->int_field(count_fd.offset()); |
| output()->print_cr("%10d %s", count, name); |
| } |
| } |
| |
| #if INCLUDE_SERVICES // Heap dumping/inspection supported |
| HeapDumpDCmd::HeapDumpDCmd(outputStream* output, bool heap) : |
| DCmdWithParser(output, heap), |
| _filename("filename","Name of the dump file", "STRING",true), |
| _all("-all", "Dump all objects, including unreachable objects", |
| "BOOLEAN", false, "false") { |
| _dcmdparser.add_dcmd_option(&_all); |
| _dcmdparser.add_dcmd_argument(&_filename); |
| } |
| |
| void HeapDumpDCmd::execute(DCmdSource source, TRAPS) { |
| // Request a full GC before heap dump if _all is false |
| // This helps reduces the amount of unreachable objects in the dump |
| // and makes it easier to browse. |
| HeapDumper dumper(!_all.value() /* request GC if _all is false*/); |
| int res = dumper.dump(_filename.value()); |
| if (res == 0) { |
| output()->print_cr("Heap dump file created"); |
| } else { |
| // heap dump failed |
| ResourceMark rm; |
| char* error = dumper.error_as_C_string(); |
| if (error == NULL) { |
| output()->print_cr("Dump failed - reason unknown"); |
| } else { |
| output()->print_cr("%s", error); |
| } |
| } |
| } |
| |
| int HeapDumpDCmd::num_arguments() { |
| ResourceMark rm; |
| HeapDumpDCmd* dcmd = new HeapDumpDCmd(NULL, false); |
| if (dcmd != NULL) { |
| DCmdMark mark(dcmd); |
| return dcmd->_dcmdparser.num_arguments(); |
| } else { |
| return 0; |
| } |
| } |
| |
| ClassHistogramDCmd::ClassHistogramDCmd(outputStream* output, bool heap) : |
| DCmdWithParser(output, heap), |
| _all("-all", "Inspect all objects, including unreachable objects", |
| "BOOLEAN", false, "false") { |
| _dcmdparser.add_dcmd_option(&_all); |
| } |
| |
| void ClassHistogramDCmd::execute(DCmdSource source, TRAPS) { |
| VM_GC_HeapInspection heapop(output(), |
| !_all.value() /* request full gc if false */); |
| VMThread::execute(&heapop); |
| } |
| |
| int ClassHistogramDCmd::num_arguments() { |
| ResourceMark rm; |
| ClassHistogramDCmd* dcmd = new ClassHistogramDCmd(NULL, false); |
| if (dcmd != NULL) { |
| DCmdMark mark(dcmd); |
| return dcmd->_dcmdparser.num_arguments(); |
| } else { |
| return 0; |
| } |
| } |
| |
| #define DEFAULT_COLUMNS "InstBytes,KlassBytes,CpAll,annotations,MethodCount,Bytecodes,MethodAll,ROAll,RWAll,Total" |
| ClassStatsDCmd::ClassStatsDCmd(outputStream* output, bool heap) : |
| DCmdWithParser(output, heap), |
| _csv("-csv", "Print in CSV (comma-separated values) format for spreadsheets", |
| "BOOLEAN", false, "false"), |
| _all("-all", "Show all columns", |
| "BOOLEAN", false, "false"), |
| _help("-help", "Show meaning of all the columns", |
| "BOOLEAN", false, "false"), |
| _columns("columns", "Comma-separated list of all the columns to show. " |
| "If not specified, the following columns are shown: " DEFAULT_COLUMNS, |
| "STRING", false) { |
| _dcmdparser.add_dcmd_option(&_all); |
| _dcmdparser.add_dcmd_option(&_csv); |
| _dcmdparser.add_dcmd_option(&_help); |
| _dcmdparser.add_dcmd_argument(&_columns); |
| } |
| |
| void ClassStatsDCmd::execute(DCmdSource source, TRAPS) { |
| if (!UnlockDiagnosticVMOptions) { |
| output()->print_cr("GC.class_stats command requires -XX:+UnlockDiagnosticVMOptions"); |
| return; |
| } |
| |
| VM_GC_HeapInspection heapop(output(), |
| true /* request_full_gc */); |
| heapop.set_csv_format(_csv.value()); |
| heapop.set_print_help(_help.value()); |
| heapop.set_print_class_stats(true); |
| if (_all.value()) { |
| if (_columns.has_value()) { |
| output()->print_cr("Cannot specify -all and individual columns at the same time"); |
| return; |
| } else { |
| heapop.set_columns(NULL); |
| } |
| } else { |
| if (_columns.has_value()) { |
| heapop.set_columns(_columns.value()); |
| } else { |
| heapop.set_columns(DEFAULT_COLUMNS); |
| } |
| } |
| VMThread::execute(&heapop); |
| } |
| |
| int ClassStatsDCmd::num_arguments() { |
| ResourceMark rm; |
| ClassStatsDCmd* dcmd = new ClassStatsDCmd(NULL, false); |
| if (dcmd != NULL) { |
| DCmdMark mark(dcmd); |
| return dcmd->_dcmdparser.num_arguments(); |
| } else { |
| return 0; |
| } |
| } |
| #endif // INCLUDE_SERVICES |
| |
| ThreadDumpDCmd::ThreadDumpDCmd(outputStream* output, bool heap) : |
| DCmdWithParser(output, heap), |
| _locks("-l", "print java.util.concurrent locks", "BOOLEAN", false, "false") { |
| _dcmdparser.add_dcmd_option(&_locks); |
| } |
| |
| void ThreadDumpDCmd::execute(DCmdSource source, TRAPS) { |
| // thread stacks |
| VM_PrintThreads op1(output(), _locks.value()); |
| VMThread::execute(&op1); |
| |
| // JNI global handles |
| VM_PrintJNI op2(output()); |
| VMThread::execute(&op2); |
| |
| // Deadlock detection |
| VM_FindDeadlocks op3(output()); |
| VMThread::execute(&op3); |
| } |
| |
| int ThreadDumpDCmd::num_arguments() { |
| ResourceMark rm; |
| ThreadDumpDCmd* dcmd = new ThreadDumpDCmd(NULL, false); |
| if (dcmd != NULL) { |
| DCmdMark mark(dcmd); |
| return dcmd->_dcmdparser.num_arguments(); |
| } else { |
| return 0; |
| } |
| } |
| |
| // Enhanced JMX Agent support |
| |
| JMXStartRemoteDCmd::JMXStartRemoteDCmd(outputStream *output, bool heap_allocated) : |
| |
| DCmdWithParser(output, heap_allocated), |
| |
| _config_file |
| ("config.file", |
| "set com.sun.management.config.file", "STRING", false), |
| |
| _jmxremote_host |
| ("jmxremote.host", |
| "set com.sun.management.jmxremote.host", "STRING", false), |
| |
| _jmxremote_port |
| ("jmxremote.port", |
| "set com.sun.management.jmxremote.port", "STRING", false), |
| |
| _jmxremote_rmi_port |
| ("jmxremote.rmi.port", |
| "set com.sun.management.jmxremote.rmi.port", "STRING", false), |
| |
| _jmxremote_ssl |
| ("jmxremote.ssl", |
| "set com.sun.management.jmxremote.ssl", "STRING", false), |
| |
| _jmxremote_registry_ssl |
| ("jmxremote.registry.ssl", |
| "set com.sun.management.jmxremote.registry.ssl", "STRING", false), |
| |
| _jmxremote_authenticate |
| ("jmxremote.authenticate", |
| "set com.sun.management.jmxremote.authenticate", "STRING", false), |
| |
| _jmxremote_password_file |
| ("jmxremote.password.file", |
| "set com.sun.management.jmxremote.password.file", "STRING", false), |
| |
| _jmxremote_access_file |
| ("jmxremote.access.file", |
| "set com.sun.management.jmxremote.access.file", "STRING", false), |
| |
| _jmxremote_login_config |
| ("jmxremote.login.config", |
| "set com.sun.management.jmxremote.login.config", "STRING", false), |
| |
| _jmxremote_ssl_enabled_cipher_suites |
| ("jmxremote.ssl.enabled.cipher.suites", |
| "set com.sun.management.jmxremote.ssl.enabled.cipher.suite", "STRING", false), |
| |
| _jmxremote_ssl_enabled_protocols |
| ("jmxremote.ssl.enabled.protocols", |
| "set com.sun.management.jmxremote.ssl.enabled.protocols", "STRING", false), |
| |
| _jmxremote_ssl_need_client_auth |
| ("jmxremote.ssl.need.client.auth", |
| "set com.sun.management.jmxremote.need.client.auth", "STRING", false), |
| |
| _jmxremote_ssl_config_file |
| ("jmxremote.ssl.config.file", |
| "set com.sun.management.jmxremote.ssl_config_file", "STRING", false), |
| |
| // JDP Protocol support |
| _jmxremote_autodiscovery |
| ("jmxremote.autodiscovery", |
| "set com.sun.management.jmxremote.autodiscovery", "STRING", false), |
| |
| _jdp_port |
| ("jdp.port", |
| "set com.sun.management.jdp.port", "INT", false), |
| |
| _jdp_address |
| ("jdp.address", |
| "set com.sun.management.jdp.address", "STRING", false), |
| |
| _jdp_source_addr |
| ("jdp.source_addr", |
| "set com.sun.management.jdp.source_addr", "STRING", false), |
| |
| _jdp_ttl |
| ("jdp.ttl", |
| "set com.sun.management.jdp.ttl", "INT", false), |
| |
| _jdp_pause |
| ("jdp.pause", |
| "set com.sun.management.jdp.pause", "INT", false), |
| |
| _jdp_name |
| ("jdp.name", |
| "set com.sun.management.jdp.name", "STRING", false) |
| |
| { |
| _dcmdparser.add_dcmd_option(&_config_file); |
| _dcmdparser.add_dcmd_option(&_jmxremote_host); |
| _dcmdparser.add_dcmd_option(&_jmxremote_port); |
| _dcmdparser.add_dcmd_option(&_jmxremote_rmi_port); |
| _dcmdparser.add_dcmd_option(&_jmxremote_ssl); |
| _dcmdparser.add_dcmd_option(&_jmxremote_registry_ssl); |
| _dcmdparser.add_dcmd_option(&_jmxremote_authenticate); |
| _dcmdparser.add_dcmd_option(&_jmxremote_password_file); |
| _dcmdparser.add_dcmd_option(&_jmxremote_access_file); |
| _dcmdparser.add_dcmd_option(&_jmxremote_login_config); |
| _dcmdparser.add_dcmd_option(&_jmxremote_ssl_enabled_cipher_suites); |
| _dcmdparser.add_dcmd_option(&_jmxremote_ssl_enabled_protocols); |
| _dcmdparser.add_dcmd_option(&_jmxremote_ssl_need_client_auth); |
| _dcmdparser.add_dcmd_option(&_jmxremote_ssl_config_file); |
| _dcmdparser.add_dcmd_option(&_jmxremote_autodiscovery); |
| _dcmdparser.add_dcmd_option(&_jdp_port); |
| _dcmdparser.add_dcmd_option(&_jdp_address); |
| _dcmdparser.add_dcmd_option(&_jdp_source_addr); |
| _dcmdparser.add_dcmd_option(&_jdp_ttl); |
| _dcmdparser.add_dcmd_option(&_jdp_pause); |
| _dcmdparser.add_dcmd_option(&_jdp_name); |
| } |
| |
| |
| int JMXStartRemoteDCmd::num_arguments() { |
| ResourceMark rm; |
| JMXStartRemoteDCmd* dcmd = new JMXStartRemoteDCmd(NULL, false); |
| if (dcmd != NULL) { |
| DCmdMark mark(dcmd); |
| return dcmd->_dcmdparser.num_arguments(); |
| } else { |
| return 0; |
| } |
| } |
| |
| |
| void JMXStartRemoteDCmd::execute(DCmdSource source, TRAPS) { |
| ResourceMark rm(THREAD); |
| HandleMark hm(THREAD); |
| |
| // Load and initialize the sun.management.Agent class |
| // invoke startRemoteManagementAgent(string) method to start |
| // the remote management server. |
| // throw java.lang.NoSuchMethodError if the method doesn't exist |
| |
| Handle loader = Handle(THREAD, SystemDictionary::java_system_loader()); |
| Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK); |
| instanceKlassHandle ik (THREAD, k); |
| |
| JavaValue result(T_VOID); |
| |
| // Pass all command line arguments to java as key=value,... |
| // All checks are done on java side |
| |
| int len = 0; |
| stringStream options; |
| char comma[2] = {0,0}; |
| |
| // Leave default values on Agent.class side and pass only |
| // agruments explicitly set by user. All arguments passed |
| // to jcmd override properties with the same name set by |
| // command line with -D or by managmenent.properties |
| // file. |
| #define PUT_OPTION(a) \ |
| do { \ |
| if ( (a).is_set() ){ \ |
| if ( *((a).type()) == 'I' ) { \ |
| options.print("%scom.sun.management.%s=" JLONG_FORMAT, comma, (a).name(), (jlong)((a).value())); \ |
| } else { \ |
| options.print("%scom.sun.management.%s=%s", comma, (a).name(), (char*)((a).value())); \ |
| } \ |
| comma[0] = ','; \ |
| }\ |
| } while(0); |
| |
| |
| PUT_OPTION(_config_file); |
| PUT_OPTION(_jmxremote_host); |
| PUT_OPTION(_jmxremote_port); |
| PUT_OPTION(_jmxremote_rmi_port); |
| PUT_OPTION(_jmxremote_ssl); |
| PUT_OPTION(_jmxremote_registry_ssl); |
| PUT_OPTION(_jmxremote_authenticate); |
| PUT_OPTION(_jmxremote_password_file); |
| PUT_OPTION(_jmxremote_access_file); |
| PUT_OPTION(_jmxremote_login_config); |
| PUT_OPTION(_jmxremote_ssl_enabled_cipher_suites); |
| PUT_OPTION(_jmxremote_ssl_enabled_protocols); |
| PUT_OPTION(_jmxremote_ssl_need_client_auth); |
| PUT_OPTION(_jmxremote_ssl_config_file); |
| PUT_OPTION(_jmxremote_autodiscovery); |
| PUT_OPTION(_jdp_port); |
| PUT_OPTION(_jdp_address); |
| PUT_OPTION(_jdp_source_addr); |
| PUT_OPTION(_jdp_ttl); |
| PUT_OPTION(_jdp_pause); |
| PUT_OPTION(_jdp_name); |
| |
| #undef PUT_OPTION |
| |
| Handle str = java_lang_String::create_from_str(options.as_string(), CHECK); |
| JavaCalls::call_static(&result, ik, vmSymbols::startRemoteAgent_name(), vmSymbols::string_void_signature(), str, CHECK); |
| } |
| |
| JMXStartLocalDCmd::JMXStartLocalDCmd(outputStream *output, bool heap_allocated) : |
| DCmd(output, heap_allocated) { |
| // do nothing |
| } |
| |
| void JMXStartLocalDCmd::execute(DCmdSource source, TRAPS) { |
| ResourceMark rm(THREAD); |
| HandleMark hm(THREAD); |
| |
| // Load and initialize the sun.management.Agent class |
| // invoke startLocalManagementAgent(void) method to start |
| // the local management server |
| // throw java.lang.NoSuchMethodError if method doesn't exist |
| |
| Handle loader = Handle(THREAD, SystemDictionary::java_system_loader()); |
| Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK); |
| instanceKlassHandle ik (THREAD, k); |
| |
| JavaValue result(T_VOID); |
| JavaCalls::call_static(&result, ik, vmSymbols::startLocalAgent_name(), vmSymbols::void_method_signature(), CHECK); |
| } |
| |
| void JMXStopRemoteDCmd::execute(DCmdSource source, TRAPS) { |
| ResourceMark rm(THREAD); |
| HandleMark hm(THREAD); |
| |
| // Load and initialize the sun.management.Agent class |
| // invoke stopRemoteManagementAgent method to stop the |
| // management server |
| // throw java.lang.NoSuchMethodError if method doesn't exist |
| |
| Handle loader = Handle(THREAD, SystemDictionary::java_system_loader()); |
| Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK); |
| instanceKlassHandle ik (THREAD, k); |
| |
| JavaValue result(T_VOID); |
| JavaCalls::call_static(&result, ik, vmSymbols::stopRemoteAgent_name(), vmSymbols::void_method_signature(), CHECK); |
| } |
| |
| JMXStatusDCmd::JMXStatusDCmd(outputStream *output, bool heap_allocated) : |
| DCmd(output, heap_allocated) { |
| // do nothing |
| } |
| |
| void JMXStatusDCmd::execute(DCmdSource source, TRAPS) { |
| ResourceMark rm(THREAD); |
| HandleMark hm(THREAD); |
| |
| // Load and initialize the sun.management.Agent class |
| // invoke getManagementAgentStatus() method to generate the status info |
| // throw java.lang.NoSuchMethodError if method doesn't exist |
| |
| Handle loader = Handle(THREAD, SystemDictionary::java_system_loader()); |
| Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK); |
| instanceKlassHandle ik (THREAD, k); |
| |
| JavaValue result(T_OBJECT); |
| JavaCalls::call_static(&result, ik, vmSymbols::getAgentStatus_name(), vmSymbols::void_string_signature(), CHECK); |
| |
| jvalue* jv = (jvalue*) result.get_value_addr(); |
| oop str = (oop) jv->l; |
| if (str != NULL) { |
| char* out = java_lang_String::as_utf8_string(str); |
| if (out) { |
| output()->print_cr("%s", out); |
| return; |
| } |
| } |
| output()->print_cr("Error obtaining management agent status"); |
| } |
| |
| VMDynamicLibrariesDCmd::VMDynamicLibrariesDCmd(outputStream *output, bool heap_allocated) : |
| DCmd(output, heap_allocated) { |
| // do nothing |
| } |
| |
| void VMDynamicLibrariesDCmd::execute(DCmdSource source, TRAPS) { |
| os::print_dll_info(output()); |
| output()->cr(); |
| } |
| |
| void CompileQueueDCmd::execute(DCmdSource source, TRAPS) { |
| VM_PrintCompileQueue printCompileQueueOp(output()); |
| VMThread::execute(&printCompileQueueOp); |
| } |
| |
| void CodeListDCmd::execute(DCmdSource source, TRAPS) { |
| CodeCache::print_codelist(output()); |
| } |
| |
| void CodeCacheDCmd::execute(DCmdSource source, TRAPS) { |
| CodeCache::print_layout(output()); |
| } |
| |
| void CompilerDirectivesPrintDCmd::execute(DCmdSource source, TRAPS) { |
| DirectivesStack::print(output()); |
| } |
| |
| CompilerDirectivesAddDCmd::CompilerDirectivesAddDCmd(outputStream* output, bool heap) : |
| DCmdWithParser(output, heap), |
| _filename("filename","Name of the directives file", "STRING",true) { |
| _dcmdparser.add_dcmd_argument(&_filename); |
| } |
| |
| void CompilerDirectivesAddDCmd::execute(DCmdSource source, TRAPS) { |
| DirectivesParser::parse_from_file(_filename.value(), output()); |
| } |
| |
| int CompilerDirectivesAddDCmd::num_arguments() { |
| ResourceMark rm; |
| CompilerDirectivesAddDCmd* dcmd = new CompilerDirectivesAddDCmd(NULL, false); |
| if (dcmd != NULL) { |
| DCmdMark mark(dcmd); |
| return dcmd->_dcmdparser.num_arguments(); |
| } else { |
| return 0; |
| } |
| } |
| |
| void CompilerDirectivesRemoveDCmd::execute(DCmdSource source, TRAPS) { |
| DirectivesStack::pop(1); |
| } |
| |
| void CompilerDirectivesClearDCmd::execute(DCmdSource source, TRAPS) { |
| DirectivesStack::clear(); |
| } |
| #if INCLUDE_SERVICES |
| ClassHierarchyDCmd::ClassHierarchyDCmd(outputStream* output, bool heap) : |
| DCmdWithParser(output, heap), |
| _print_interfaces("-i", "Inherited interfaces should be printed.", "BOOLEAN", false, "false"), |
| _print_subclasses("-s", "If a classname is specified, print its subclasses. " |
| "Otherwise only its superclasses are printed.", "BOOLEAN", false, "false"), |
| _classname("classname", "Name of class whose hierarchy should be printed. " |
| "If not specified, all class hierarchies are printed.", |
| "STRING", false) { |
| _dcmdparser.add_dcmd_option(&_print_interfaces); |
| _dcmdparser.add_dcmd_option(&_print_subclasses); |
| _dcmdparser.add_dcmd_argument(&_classname); |
| } |
| |
| void ClassHierarchyDCmd::execute(DCmdSource source, TRAPS) { |
| VM_PrintClassHierarchy printClassHierarchyOp(output(), _print_interfaces.value(), |
| _print_subclasses.value(), _classname.value()); |
| VMThread::execute(&printClassHierarchyOp); |
| } |
| |
| int ClassHierarchyDCmd::num_arguments() { |
| ResourceMark rm; |
| ClassHierarchyDCmd* dcmd = new ClassHierarchyDCmd(NULL, false); |
| if (dcmd != NULL) { |
| DCmdMark mark(dcmd); |
| return dcmd->_dcmdparser.num_arguments(); |
| } else { |
| return 0; |
| } |
| } |
| |
| #endif |
| |
| class VM_DumpTouchedMethods : public VM_Operation { |
| private: |
| outputStream* _out; |
| public: |
| VM_DumpTouchedMethods(outputStream* out) { |
| _out = out; |
| } |
| |
| virtual VMOp_Type type() const { return VMOp_DumpTouchedMethods; } |
| |
| virtual void doit() { |
| Method::print_touched_methods(_out); |
| } |
| }; |
| |
| TouchedMethodsDCmd::TouchedMethodsDCmd(outputStream* output, bool heap) : |
| DCmdWithParser(output, heap) |
| {} |
| |
| void TouchedMethodsDCmd::execute(DCmdSource source, TRAPS) { |
| if (!UnlockDiagnosticVMOptions) { |
| output()->print_cr("VM.touched_methods command requires -XX:+UnlockDiagnosticVMOptions"); |
| return; |
| } |
| VM_DumpTouchedMethods dumper(output()); |
| VMThread::execute(&dumper); |
| } |
| |
| int TouchedMethodsDCmd::num_arguments() { |
| return 0; |
| } |